Originally Posted by Doppleganger

The main reason for sticking him under a commander who understood armour was to reduce the inevitable friction that Rommel would produce if he was under the command of a more traditional commander like say Gunther von Kluge. Kluge was bad enough with Guderian's need to push forward and exploit breakthroughs - he'd have a fit trying to control Rommel who's ego, as Perseus said, was enormous and inflated. At least if Hoth, Hopner or Guderian were his commander they'd understand and appreciate Rommel's tactical reasoning and give him his head when it was appropriate. BTW, AGC was the most mechanised of the 3 army groups so he'd probably fit in best there.